Complex NumbersMedium
Question
Vector z = 3 − 4i is rotated at 180o angle in anti clock wise direction and its length is increased to two and half times. In new position, z is -
Options
A.(15/2) + 10i
B.−(15/2) + 10i
C.−15 + 10i
D.none of these
More Complex Numbers Questions
amp (cot α − i) equals -...The amplitude of complex number (1 + i√3) (1 + i) (cos θ + i sin θ) is -...If is purely imaginary, then θ is equal to-...A man walks a distance of 3 units from the origin towards the north-east (N45o E) direction. From there, he walks a dist...If z and ω are two non-zero complex numbers such that |zω| = 1, and Arg (z) - Arg(ω) = , then is equal to...